10"W X 4"H [Duct Opening] 3-Way Aluminum Curved Blade Adjustable Air Supply HVAC Diffuser [Outer Dimensions: 11.75"W X 5.75"H]

+ Product Details Size - 10"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are 11.75" width X 5.75" height. Design – Individually adjusting curved blades. Multi-shutter damper with handle operator to adjust air flow. Screws Included High Quality Aluminum – The premium durable aluminum will never rust and it will never wear through leaving the material with an elegant, beautiful, and smooth surface, adds a luxurious touch to any home. Carefully Shrink Wrapped – With cardboard backing to prevent damage in shipment Installation Location – Sidewall or ceiling. + Product Description Enhance your HVAC system's efficiency and your home's aesthetics with our premium aluminum air vent diffuser. Designed with individually adjustable curved blades, this 4-way air vent diffuser allows you to precisely cont